Cementing apparatus



July 5, 1927. 1,634,496

G. J. GORSUCH CEMENTING APPARATUS Filed Aug. 15, 1921 Patented July 5, 1927.

STATES PATENT QFFEQE.

GEORGE J. GORSUCH, OF ROCHESTER, NEW YORK, AEESIGNOR TO UNITED SHOE MA- CHINERY CORPORATION, OF PATTERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

CEMENTING APPARATUS.

Application filed August 15, 192 1.

This invention relates to apparatus for applying such fluids as cement or other adhesives to various objects, it being especially designed for placing these coatings in bands along the edges of sheet material, as the upper stock and linings of shoes. In work of this character, it is desired that the coating be uniform in width and thicl-rness, and that there be no flow of cement in excess of the requirements to cause dripping. Any application outside the desired area involves waste of cement, as does also, of course, any over-supply or leakage. Excessive thickness of the coating, upon drying, produces lumps which, timing the stitching of the cemented parts together, overheat the needle of the sewing machine in its passage through them. This n'iay soften the cement, and transfer it to the looper of the machine, which, in turn, cause skipping of the stitches and breale ing of the thread. Among the objects of this invention is the production of a simple apparatus, easy to maintain, which will supply cement in limited quantities and with uniformity, this being confined to predetermined areas.

In the attainment of these objects, a feature of the invention lies in means for rubbing out the cement, preferably in the direction of the outer edge of the coated area. This is accomplished in the illustrated embodiment of the invention by a conical applying member, against which the material is pressed, the inner and outer portions of the inclined surface traveling in contact with the work at substantially diiferent rates of speed. The rubbing-out effect may be augmented by depressions in the applying sur face, these being inclined in the direction of rotation. Such an arrangement not only distributes the cement uniformly upon the work, but also carries any excess which may be applied off the surface under treatment a d away from the lower edge of the app ling member, so there will be no accumu lation to drip and waste. This prevention of drip is aided by directing the cement delivered to the applying member toward the upper portion of the inclined applying surface, as by a gate which controls its flow. Thus, the eff Ct of gravity, which would.

Serial No. 492,413.

tend to carry an excess to the lower edge of the applying member, is to a considerable extent counteracted. Moreover, the cement may be delivered to the applying member through a casing fitting the inclined surface and having, for the emergence of the cement upon said member into contact with the work, an opening removed from the lower edge of the applying surface. This separates the initial delivery of cement from the point at which drip might occur.

To maintain theworleengaging' members of my preferred conical form. in proper relation to the casing or other cement-delivering means and to the work, as another feature of the invention, I make one of them yieldable longitudinally of its axis, the applying member being shown as thus arranged. To accommodate itself to the work, the co-operating pressure member also appears as yieldable, it preferably moving about a plurality of fulcra. The resultant compound movement provides for the equalizing of pressure, and promotes the uniform rubbing-out effect of the applying member upon the cement.

In connection with the following description, other features will be developed, and will b particularly pointed out in the claims.

The accompanying drawing discloses one embodiment of the invention,

Fig. 1 being a perspective View of my improved cementing apparatus;

Fig. 2, a partial central longitudinal, vertical section therethrough; and

Fig. 3, a. perspective view, particularly showing the pressure members in their relation to the work.

As illustrated, the apparatus is arranged for mounting upon a bench, having a base 10 carrying an elevated pot or cementreceptacle 12. At one side of the bottom of the pot is an opening 14, the wall surrounding which is faced oif at 16 to give a uniform cement-tight seat for a closure and bearing nember 18. This is secured by screws 19 to the wall of the pot, and from the opening is preferably inclined downwardly" at an angle, shown as substantially degrees. This facilita es the flow of cement threugh a passage or conduit 20 in the closure, which conduit is alined with the opening i l and is controlled by a suitable valve 22. Project ing from one side of the member 18 beside the conduit is a casing The inner surface of this casing is inclined, confori'ning to the exterior of a cone. Along this surface, removed from the lower edge, is a groove or passage 26 extending in a horizontal direction and continuing the conduit 20. The passage may be closed to a greater or less extent by a gate 28, here illustrated as consisting of a block arranged to slide in ways located in the casing and in an outward projection 30 therefrom. The position of the gate to alter the relation of its inner edge to the inner surface of the casingmay be varied by a screw 82 arranged to turn in the gate and t ireaded through the outer wall of the projection 30. A spring 3% may be interposed between the top of the projection and the head of the screw, serving by its pressure to hold the screw to the position to which it is turned, and thus frictionally retain the gate against movement. It is to be noted that, for a purpose which will hereinafter more clearly appear, the gate is inclined with relation to the passage 26, it extending from the bottom, as viewed in Fig. 1 of the drawing, upwardly and to the right, instead of passing directly across the passage.

Operating in contact with the inner wall of the casing an applying member 36 in the form of a frusto conical roll. The applying surface of this roll has the same inclination as the interior of the casing, contacting therewith at each side of the groove 26 along surfaces 37, 37 to furnish a closure against the passage of cement, either up or down along the applying: surface, confining it to the passage 26. The applying member is shown as mounted on the hub of a bevel-gear 38, which is in turn rotatable about a spindle 4-0 depending from the under side of a projection 42 from the top the closure 18. The position of this spindle is such that the axis of rotation of the conical applying member is vertical. The upper end of the spindle is threaded into the projection, while its lower end has an enlargement or head, and between this head and a washer 4-4. contacting with an upper overhanging; wall. of the applying member is a helical spring; ll). This acts to hold the applying surface in close contact with the surfaces 37, 37, and maintains this relation as the parts wear in use. Rotation is imparted to the applying member, in the direction of the arrow in Fig. 1, through a pinion 4-8 meshing: with the gear 38 and fixed upon the end of a horizontal counter-shaft 50 journaled in the upper portion of the base 10. The countershaft is connected by a pair of spur-gears 52. to a driving pulley 54- rotatable upon the rear of the base, and joined by a belt (not illustrated) to a convenient source of power. Adjacent to the driving pulley is shown, a loose pulley 56, to which the belt may be transferred when it is desired to put the machine out of operation. Between the surfaces of the applying member which contact with those of the casing at 37, are cement-carrying depressions 6O inclined forwardly and downwardly in the direction of rotation, they being preferably curved upon a'rcs described with a radius of considerable length. Between the grooves are ridges or lands, these lying in the conical surface of the applying member and contacting with the casing, save where they operate along the passage 26. The etlect of the ClGPI'QSSiODS upon the cement will later be described.

Fulcrumed at 62 upon the member 18 is a supporting arm 64, which. is divided. Between the separated portions is fulcrunied at 66 a carrier member 68, upon which mounted a' pressure member 70. This, like the applyingmember, is provided by a frustoconical roll and is rotatable upon the carrier about a substantially horizontal spindle T1. The surface of the pressure member co-operating with the applying member is of the same inclination, so that the two surfaces may rotate in substantial contact. The support 64 and carrier (38 are acted upon by springs 72 and M, respectively, both tending to hold the pressure member in proximity to the applying member, but aermitting it to yield, in a direction generally longitudt nal of the axis of the applying roll, upon the passage of the work. The spring 72 surrounds a stud 76 projecting upwardly from the member 18 through the arm (said spring hearing); at its lower extremity upon the arm, and at its upper end against a nut 78 threaded on the stud. The ends of the spring 74; occupy opposite recesses in the carrier 68 and an overhanging" portion of the arm 64. As the spring 72 yields, the pressure-roll may be moved promptly for its entire length away from the applying roll under the influence of varying thicknesses of work. There is. however, a more rapid rise of the outer portion of the roll about this fulcrum than the inner, which would, if uncorrected, produce a lack of uniformity in the pressure applied by the roll 70. The yield of the spring T l. however, permits this to be compensated for, since during the rise of said roll about the fulcrum 62, the outer edge may also fall under the influence of the spring 7 about the fulcrum 66, thus producing substantial nniformity of pressure across the entire sui re. The support 6t may be raised, to carry the pressure-roll away from the applying roll. and out of contact with the cement upon the latter when no work is passing; through the apparatus, by an arm 80 extending from one li t r M 526 of the casing. Consequently, the portion of the applying roll most thickly corercd with cement is positioned opposite roore a d does not come into contact with the pressuresurfaces, which are opposite more lightly coated portions of the applying surface.

The roll 70 is spaced from the outlet-opening 01 the casing in the direction of rotation peripherally ot the applying roll, and to maintain the work in more perfect and extended contact with the cement carried by the applying surface, there is mounted in this space a second pressure member, consisting of a substantial y vertical arm 86 pivoted at 88 upon a member 90 secured to the bearing member 18 by a screw 98. The lower portion or a vert cal wall of this memher 90 me. y act as a gage, and by its contact with the edge or the work to be coated deter mine the width of the band of cement to be applied. The lower extremity 92 of the arm S63 inclined along the applying surface in substantial parallelism therewith, being held in this position by a spring 94, which forces the arm 86 iinst a stop 96 carried by the member 90, but permits the contact-extremity to yield in the direction of rotation of 1/14 the applying member and travel of the work. i eterably, the portion 92 is somewhat inlincd from its l orward edge upwardly and z'rwardly to produce a tapering throat, this acilitating the initial introditiction of the work.

ln using my improved apparatus, the pot 12 is supolied with cement, the gate 28 adjusted to give the necessary flow through the passage 26, and the nut 78 turned until the exerts such tension as will cause iGll TO to press the work into proper not with the applying surface of the roll 36. its this last-mentioned roll rotates, cement flowing through the conduits 20 and r beneath the gate 28 is directed by 'nelination of said gate upwardly and ron the lower portion of the applying roll, from which an excess mightdrip, the position of the outlet of the passage 26 l this same portion of the apremoved rrom plying roll, also lessening the tendency of the cement to gather under the influence of ,gravity, but rather keeping it always toward the upper part of the inclined surface. The operator then introduces the forward end of the piece to be coated beneath the extension of the pressure member and beneath the pressure-roll 70, the t-readl'e which controls the rod 82 at this time beperipheral groove 8t opposite the outlet ing released, and directs it in a straight path as the rotation of the applying roll teeds it torward, this path being substantially at right angles to the meeting line between the two rolls. Sine the opposite portions oi the applying roll which are to limit the width of the band of cement laid upon the work, these being the surface adj a cent to the edge-gage 9 0 and the inner edge ot' the lower, unbroken surface, are consider-- ably different in diameter, they will travel at substantially ditlerent rates of speed. The efi'ect 01 this is to exert along the inner line of the coated area, where the natural tendency is for a greater quantity of cement to accumulate, a rubbing-out effect produced the more rapidly moving applying surrace, which will distribute the cement unltormly, carrying the excess across the coated surface toward the outer edge of the Work, and consequently toward the inner or more elevated portion of the applying roll. This action is aided by the inclination of the de pressions (it), which in their rotation sweep laterally of the advancing work, and furtlier distribute the cement and move it toward the edge. As a consequence, a great uniformity of coating is produced, with little gathering or cement at the lower portion of the applyin roll, and therefore treedoin from waste. The pressure member, in the travel of the work beneath it, yields as permitted by the springs '72 and 74, the coinpoundmovement ot the roll allowing almost absolute conformity to the surface operated upon across its entire width. for this, the inner margin of the coated area, or that most removed from the edge of the work, would not be properly held down to Since pressure is applied upon the material being coated at two considerably separated points bythe members 70 and 92, the area treated at one time is of substan 'al length, and the work is maintained longer in contact with the applying surface. Both pressure members, by their capability for yield, are enabled to accurately conform to irreguralities or differences in contour in the material undcr treatment, as may be produced by seams or skived edges.

By taking out the screws 19 and disconnecting the treadle-rod 82, the closure and support 18 and all the operating elements of the apparatus may be removed as a unit. Now, after unscrewing the spindle 40 to separate the applying roll 36 from the support and pressure-roll, access may be had to every element, as the delivery-conduit, the interior of the casing and the applying and pressure-surfaces of the rolls, which are at all liable to become clogged by accun'iuiation Were it not Hill of dried cement, and these readily cleaned.

Having described my i vention, what I. rlaim as new and desire to secure by Letters Patent of the United States is 1. in a cementing apparatus, a conical. applying member rotatable about its axis and having an applying surface extending from adjacent to the base of the conical member toward the apex to such a distance that the difference in diameter of the two extren'iities of the applying surface gives a substantial difference in the rate of travel, and means for pressing the work into contact with the applying surface.

2. la a cementing apparatus, a rotatable conical applying member, means for rotating said member, and a conical pressure member co-operating with the applying member.

3. In a cen'ienting apparatus, a rotatable member having an applying surface inclined to the horizontal and provided with means for moving the cement transversely of said surface, and means for pressing the work into contact with the applying surface.

4-. in a cementing apparatus, a rotatable member having a conical applying surface in which are depressions inclined toward the base and in the direction of rotation, and means for pressing the work into contact with the applying surface.

5. In a cementing apparatus, a rotatable member having a conical applying surface in which are depressions curved tward the base and in the direction of rotation, and

means for pressing the work into contact with the applying surface.

6. In a cementing apparatus, a conical applying member rotatable about a substantially vertical axis, means arranged to de liver cement to the inclined surface of the member, and means for pressing the work into contact with said surface.

7. In a cementing apparatus, a conical applying member rotatable about a substantially vertical axis, means arranged to deliver cement to the inclined surface of the member, and means for pressing the work into contact with said surface, there being provision. for moving the cement upwardly upon the inclined surface.

iii. in a cementing apparatus, a rotatable member having a conical applying surface, means for delivering cement to the inclined surface of the member from one extremity, and means arranged to direct the delivered cement toward the opposite extremity of the applying surface from which it is delivered.

in a cen'ienting apparatus, a lOtTtltillJlE member having a conical applying surface, a cement-receptacle having a passage deliverin to the applying surface, and gate for controlling the delivery of cement, said being arranged to direct the cement toward one ez-ctremity of the applying surface.

1.0. In a cementing apparatus, a member rotatable about a. substantially vertical axis and having an inclined applying surface, means arranged to deliver cement to the inclined surface, and means arranged to direct the delivered cement toward the upper eX- tremity of said surface.

ll. In a cementing apparatus, a rotatable member having a downwardly inclined applying surface, a cement-receptacle having a passage, and a delivery-casing in which the passage terminates, said casing fitting over the applying surface and being provided at its forward portion with an opening removed from the lower edge of the applying vurface.

12. in a cementing apparatus, a conical applying member rotatable about a substantially vertical axis, a cen'ient-receptacle having a passage, and a delivery-casing fitt ng over the inclined applying surface of the member and provided at its forward edge with an opening removed from the lower edge of the applying surface.

13. in a cementing apparatus, a rotatable member having a conical applying surface in which are cement-carrying depressions, a cen'icnt-receptacle having a passage, and a delivery-casing in which the passage terminates, said casing fitting over the applying surface and being provided at its forward edge with an opening.

14C. 111 a cementing apparatus, a rotatable member having a conical applying surface,a cement-receptacle having a passage, a delivery-casing in which the passage terminates, said casing fitting over the applying surface and being provided at its forward edge with an opening, and a pressure member co-operating with the applying surface beyond the casing.

15. In a cementing apparatus, a rotatable member having a conical applying surface, a cement-roceptacle having a passage, a delivery-casing in which the passage terminates, said casing fitting over the applying surface and being provided at its forward edge with an opening, and a pressure member. co-operating with the applying surface beyond the casing and having a depression opposite the casing-opening.

16. In a cementing apparatus, a rotatable roll having a conical applying surface, a cement-receptacle having a passage, a delivery-casing in which the passage terminates, said casing fitting over the applying surface and being provided at its forward edge with an opening, and a pressure-roll cooperating with the applying surface and having a peripheral groove alined with the casing-opening.

17. in a cementing apparatus, a rotatable roll having an applying surface, a cementdelivery easing fitting the applying surface and being provided at its forward edge with an opening, and a pressure-roll co-operating with the applying surface and having a pcripheral groove alined with the easing-openg 18. In a cementing apparatus, a frame, and applying and pressure rolls rotatably mounted on said frame and co-operating with each other to apply a coating to a piece of work, one of said rolls having a pressure face inclined to its axis and being yieldably mounted for movement relative to the other in a direction parallel to the axis of the applying roll under pressure of the work to accommodate various thicknesses of work.

3.9. In a cementing apparatus, a conical applying roll mounted to yield longitudinally of its axis, means for rotating said roll, and a pressure member cooperating with the roll.

20. In a cementing apparatus, a conical applying roll mounted to yield longitudinally of its axis, means for rotating said roll, and a yieldable pressure member co operating with the roll.

21. In a cementing apparatus, a conical.

applying roll mounted to yield longitudinally of its axis, means for rotating said roll, and a conical pressure-roll co-operating with the applying roll and mounted to yield in a direction generally longitudinal of the axis of said applying roll.

22. In a cementing apparatus, a spindle, a roll rotatable on and yieldable longitudinally of the spindle, an arm pivoted ad acent to the spindle, and a roll rotatable upon the arm and cooperating with the firstnamed roll.

23. In a cementing apparatus, a spindle, an applying roll rotatable upon and yieldable longitudinally of the spindle, an arm pivoted adjacent to the spindle, and a pressure-roll rotatable upon the arm and cooperating with the applying roll, said pressure-roll being mounted to yield.

24. In a cementing apparatus, an applying member, a yieldable support, and a pressure member thereon movable about a plurality of fulcra and co-operating with the applying member.

25. In a cementing apparatus, a conical applying member and a conical pressure member co-operating along their inclined surfaces, said members having a relative movement of separation and approach, and means for equalizing the pressure between the members along different portions of said inclined surfaces.

26. In a cementing apparatus, an applying member, a yieldable support, and a pressure member yieldable with respect to the support and co-operating with the applying member.

27. In a cementing apparatus, a conical applying roll, a yieldable support, and a conical pressure-roll y-ieldably mounted upon the support and co-operating with the ap plying roll.

28. In a cementing apparatus, a rotatable applying roll, an arm pivoted adjacent thereto, a carrier pivoted upon the arm at a point separated. from the pivot of the arm, and a pressure-roll rotatably mounted upon the carrier arranged to hold work against the applying roll and adapted thereby for adjustment about a plurality of fulcra.

29. In a cementing apparatus, a rotatable conical applying roll, an arm pivoted adjacent thereto, a carrier pivoted upon the arm, a conical pressure-roll rotatable upon the carrier, and springs acting respectively upon the arm and carrier to force the pres sure-roll toward the applying roll.

30. In a cementing apparatus, a rotatable roll having an applying surface, a conduit arranged to deposit cement upon the applying surface, a pressure-roll spaced from the conduit and co-operating with the applying surface, and a pressure member interposed between the conduit and pressure-roll and co-operating with the applying surface.

31. In a cementing aoparatus, a rotatable roll having a conical applying surface, and a plurality of pressure members co-operating with the applying surface at separated points.

32. In a cementing apparatus, a rotatable roll having a conical applying surface, and a plurality of pressure members co-operating with the applying surface at separated points and being inclined to correspond to the applying surface.

33. In a cementing apparatus, a rotatable roll having a conical applying surface, and a plurality of yieldable pressure members co-operating with the applying surface at separated points.

34. In a cementing apparatus, a rotatable roll having a conical applying surface, means for delivering cement thereto, a conical pressure-roll co-operating with the applying roll, and an arm pivoted between the cement-delivering means and the pressureroll and having a portion co-operating with and generally corresponding in inclination to the applying surface.

35. In a cementing apparatus, a cementreceptacle having an outlet-opening, a closure member for the opening detachably secured to said cement receptacle, said closure member being provided with a cement-conduit, and a rotatable applying member mounted upon the closure member in position to receive cement from said conduit and removable from the machine with the closure member for cleaning.

36. In a cementing apparatus, a cementreceptacle having an outlet-opening and mechanism for applying the cement delivered from said opening to a piece of work removably mounted on said receptacle, said mechanism comprising a closure member for I the opening of the cement receptacle having a cement-conduit, and co-operating applying and work-pressing rolls mounted upon and removable with the closure member with the applying roll in position to receive cement from the conduit. 10

In testimony whereof I have signed my name to this specification.

GEORGE J. GORSUCH. 

